2151532022 has 4 divisors (see below), whose sum is σ = 3227298036. Its totient is φ = 1075766010.

The previous prime is 2151532021. The next prime is 2151532027. The reversal of 2151532022 is 2202351512.

2151532022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151532021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537883004 + ... + 537883007.

It is an arithmetic number, because the mean of its divisors is an integer number (806824509).

Almost surely, 2^2151532022 is an apocalyptic number.

2151532022 is a deficient number, since it is larger than the sum of its proper divisors (1075766014).

2151532022 is a wasteful number, since it uses less digits than its factorization.

2151532022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075766013.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2151532022 is about 46384.6097536672. The cubic root of 2151532022 is about 1290.9693697367.

Adding to 2151532022 its reverse (2202351512), we get a palindrome (4353883534).

The spelling of 2151532022 in words is "two billion, one hundred fifty-one million, five hundred thirty-two thousand, twenty-two".